Question

What is the derivative of `sin(4 pi x)`?

Answer 1

`d/(dx)(sin(4pix)) = 4picos(4pix)`

Explanation:

Using the chain rule:

`d/(dx)(sin(4pix)) = (dsin(4pix))/(d(4pix))(d(4pix))/(dx)=cos(4pix)*4pi`